WSOD

index.php

<?php

/**
 * @file
 * The PHP page that serves all page requests on a Drupal installation.
 *
 * All Drupal code is released under the GNU General Public License.
 * See COPYRIGHT.txt and LICENSE.txt files in the "core" directory.
 */

error_reporting(E_ALL);
ini_set('display_errors', TRUE);
ini_set('display_startup_errors', TRUE);

use Drupal\Core\DrupalKernel;
use Symfony\Component\HttpFoundation\Request;

try {
  $autoloader = require_once 'autoload.php';

  $kernel = new DrupalKernel('prod', $autoloader);

  $request = Request::createFromGlobals();
  $response = $kernel->handle($request);
  $response->send();

  $kernel->terminate($request, $response);
}

catch (\Exception $e) {
  var_dump($e);
}